INCH-POUND The documentation and process conversion measures necessary to comply with this document shall be completed by 26 September 2015. MIL-PRF-19500/391P 26 June 2015 SUPERSEDING MIL-PRF-19500/391N 20 May 2014 PERFORMANCE SPECIFICATION SHEET * TRANSISTOR, NPN, SILICON, LOW-POWER, ENCAPSULATED (THROUGH-HOLE AND SURFACE MOUNT), AND UNENCAPSULATED, RADIATION HARDNESS ASSURANCE, DEVICE TYPES 2N3019, 2N3057A, AND 2N3700, QUALITY LEVELS JAN, JANTX, JANTXV, JANS, JANHC, AND JANKC This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-PRF-19500. 1. SCOPE * 1.1 Scope. This specification covers the performance requirements for NPN, silicon, low-power transistors. Four levels of product assurance are provided for each device type as specified in MIL-PRF-19500. Two levels of product assurance are provided for the unencapsulated device types 2N3019 and 2N3700. Radiation hardness assurance (RHA) level designators "M", "D", "P", "L", "R", "F", "G" and "H" are appended to the device prefix to identify devices, which have passed RHA requirements. * 1.2 Package outlines and die topography. The device packages for the encapsulated device types are as follows: TO-5 in accordance with figure 1, TO-39 in accordance with figure 2, TO-18 in accordance with figure 3, and surface mount versions UB in accordance with figure 4. The dimensions and topography for JANHC and JANKC unencapsulated die are as follows: A version die in accordance with figure 5, B version die in accordance with figure 6, and C version die in accordance with figure 7. 1.3 Maximum ratings. Unless otherwise specified, TA = +25C. IC VCBO VEBO VCEO TJ and TSTG A dc V dc V dc V dc C 1 140 7 80 -65 to +200 Comments, suggestions, or questions on this document should be addressed to DLA Land and Maritime, ATTN: VAC, P.O. Box 3990, Columbus, OH 43218-3990, or emailed to Semiconductor@dla.mil. Since contact information can change, you may want to verify the currency of this address information using the ASSIST Online database at https://assist.dla.mil. AMSC N/A FSC 5961 MIL-PRF-19500/391P 1.3 Maximum ratings. Unless otherwise specified, TA = +25C. - Continued. Types PT TA = +25C (1) (2) W 0.800 0.800 0.500 0.500 0.500 2N3019 2N3019S 2N3057A 2N3700 2N3700UB (1) (2) (3) (4) PT TC = +25C (1) (2) W 5 5 1.8 1 N/A PT TSP(IS) = +25C (1) (2) W N/A N/A N/A N/A 1.5 RJA (2) (3) (4) RJC (2) (3) RJSP(IS) (2) (3) C/W 195 195 325 325 325 C/W 30 30 80 150 N/A C/W N/A N/A N/A N/A 90 For derating, see figures 8, 9, 10, 11, 12, and 13. See 3.3. For thermal curves, see figures 14, 15, 16, 17, 18, 19, and 20. For non-thermal conductive PCB or unknown PCB surface mount conditions in free air, substitute figures 8 and 12 for the UB package and use RJA. 1.4 Primary electrical characteristics. Limits hFE1 hFE2 VCE = 10 V dc IC = 150 mA dc Min Max VCE = 10 V dc IC = 0.1 mA dc 100 300 Types hFE3 (1) VCE = 10 V dc IC = 10 mA dc 50 300 Limit hFE5 (1) VCE = 10 V dc IC = 1 A dc 90 VCE = 10 V dc IC = 500 mA dc 50 300 |hfe| f = 20 MHz VCE = 10 V dc IC = 50 mA dc 2N3019, 2N3019S 2N3057A, 2N3700 2N3700UB Types hFE4 (1) Cobo 100 kHz f 1 MHz VCB = 10 V dc IE = 0 pF Min Max 15 Limits VCE(sat)1 (1) IC = 150 mA dc IB = 15 mA dc 2N3019, 2N3019S 2N3057A, 2N3700 2N3700UB Min Max 5 20 VCE(sat)2 (1) IC = 500 mA dc IB = 50 mA dc 12 VBE(sat) (1) IC = 150 mA dc IB = 15 mA dc V dc V dc V dc 0.2 0.5 1.1 (1) Pulsed, see 4.5.1. 2 MIL-PRF-19500/391P * 1.5 Part or Identifying Number (PIN). The PIN is in accordance with MIL-PRF-19500, and as specified herein. See 6.5 for PIN construction example and 6.6 for a list of available PINs. * 1.5.1 JAN brand and quality level designators. 1.5.1.1 Encapsulated devices. The quality level designators for encapsulated devices that are applicable for this specification sheet from the lowest to the highest level are as follows: JANTX", "JANTXV" and "JANS". * 1.5.1.2 Unencapsulated devices (die). See 6.7 for unencapsulated devices. "JANHC" and "JANKC". * 1.5.2 Radiation hardness assurance (RHA) designator. The RHA levels applicable for this specification sheet from lowest to highest for JANS quality levels are as follows: "M", "D", "P", "L", "R", "F", "G", and "H". The RHA levels applicable for this specification sheet from lowest to highest for JANTXV quality levels are as follows: "R", "F". * 1.5.3 Device type. The designation system for the device types of transistors covered by this specification sheet are as follows. * 1.5.3.1 First number and first letter symbols. The transistors of this specification sheet use the first number and letter symbols "2N". * 1.5.3.2 Second number symbols. The second number symbols for the transistors covered by this specification sheet are as follows: 3019, 3019S, 3057A, 3700, AND 3700UB. * 1.5.4 Suffix symbols. The following suffix letters are incorporated in the PIN in the order listed in the table as applicable: Blank suffix indicates dimension LL is 1.50 min, 1.75 max (2N3019 only) S UB Indicates dimension LL is 0.500 (12.70 mm) minimum, 0.750 (19.05 mm) maximum. (2N3019 only) Indicates a surface mount (2N3700UB) * 1.5.5 Lead finish. The lead finishes applicable to this specification sheet are listed on QML-19500. * 1.5.6 Die identifiers for unencapsulated devices (manufacturers and critical interface identifiers). The manufacturer die identifiers that are applicable for this specification sheet are "A", "B", and "C". 3 MIL-PRF-19500/391P Symbol Dimensions Inches Millimeters Notes CD CH HD LC LD LL LU L1 L2 Q TL TW r P Min Max .305 .335 .240 .260 .335 .370 .200 TP .016 .021 .500 .750 Min Max 7.75 8.51 6.10 6.60 8.51 9.40 5.08 TP 0.41 0.53 12.70 19.05 .016 0.41 .019 .050 .250 .050 .029 .045 .028 .034 .010 45 TP .100 0.48 1.27 6.35 1.27 1.14 0.86 0.25 45 TP 2.54 0.74 0.71 TO-39 TO-5 6 7, 8 7, 8, 12 7, 8 7, 8 7, 8 5 4 3 10 6 NOTES: 1. Dimension are in inches. 2. Millimeters are given for general information only. 3. Beyond r (radius) maximum, TW shall be held for a minimum length of .011 (0.28 mm). 4. Dimension TL measured from maximum HD. 5. Body contour optional within zone defined by HD, CD, and Q. 6. Leads at gauge plane .054 +.001 -.000 inch (1.37 +0.03 -0.00 mm) below seating plane shall be within .007 inch (0.18 mm) radius of true position (TP) at maximum material condition (MMC) relative to tab at MMC. The device may be measured by direct methods. 7. Dimension LU applies between L1 and L2. Dimension LD applies between L2 and minimum. Diameter is uncontrolled in L1 and beyond LL minimum. 8. All three leads. 9. The collector shall be internally connected to the case. 10. Dimension r (radius) applies to both inside corners of tab. 11. In accordance with ASME Y14.5M, diameters are equivalent to x symbology. 12. For "S" suffix devices, dimension LL is 0.500 (12.70 mm) minimum, 0.750 (19.05 mm) maximum. 13. Lead 1 = emitter, lead 2 = base, lead 3 = collector. * FIGURE 1. Physical dimensions for device types 2N3019 (TO-5) and 2N3019S (TO-39). 4 MIL-PRF-19500/391P Symbol CD CH HD LC LD LL LU L1 L2 TL TW r NOTES: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. Dimensions Inches Millimeters Min Max Min Max .178 .195 4.52 4.95 .065 .085 1.65 2.16 .209 .230 5.31 5.84 .100 TP 2.54 TP .016 .021 0.41 0.53 .500 1.750 12.70 44.45 .016 .019 0.41 0.48 .050 1.27 .250 6.35 .028 .048 0.71 1.22 .036 .046 0.91 1.17 .007 0.18 45 TP 45 TP Note 6 7 7 7 7 7 3 2 10, 11 6 Dimension are in inches. Millimeters are given for general information only. Beyond r (radius) maximum, TW shall be held for a minimum length of .011 inch (0.28 mm). Dimension TL measured from maximum HD. Leads at gauge plane .054 +.001 -.000 inch (1.37 +0.03 -0.00 mm) below seating plane shall be within .007 inch (0.18 mm) radius of true position (TP) at maximum material condition (MMC) relative to tab at MMC. The device may be measured by direct methods. Dimension LU applies between L1 and L2. Dimension LD applies between L2 and LL minimum. Diameter is uncontrolled in L1 and beyond LL minimum. All three leads. The collector shall be internally connected to the case. Dimension r (radius) applies to both inside corners of tab. In accordance with ASME Y14.5M, diameters are equivalent to x symbology. Lead 1 = emitter, lead 2 = base, lead 3 = collector. FIGURE 2. Physical dimensions for 2N3057A (TO-46). 5 MIL-PRF-19500/391P Symbol CD CH HD LC LD LL LU L1 L2 P Q TL TW r Dimensions Inches Millimeters Min Max Min Max .178 .195 4.52 4.95 .170 .210 4.32 5.33 .209 .230 5.31 5.84 .100 TP 2.54 TP .016 .021 0.41 0.53 .500 .750 12.70 19.05 .016 .019 0.41 0.48 .050 1.27 .250 6.35 .100 2.54 .030 0.76 .028 .048 0.71 1.22 .036 .046 0.91 1.17 .010 0.25 45 TP 45 TP 1, 2, 9, 11, 12 Note TO-18 6 7,8 7,8 7,8 7,8 7,8 5 3,4 3 10 6 NOTES: 1. Dimension are in inches. 2. Millimeters are given for general information only. 3. Beyond r (radius) maximum, TH shall be held for a minimum length of .011 inch (0.28 mm). 4. Dimension TL measured from maximum HD. 5. Body contour optional within zone defined by HD, CD, and Q. 6. Leads at gauge plane .054 +.001 -.000 inch (1.37 +0.03 -0.00 mm) below seating plane shall be within .007 inch (0.18 mm) radius of true position (TP) at maximum material condition (MMC) relative to tab at MMC. The device may be measured by direct methods or by the gauge and gauging procedure shown in figure 2. 7. Dimension LU applies between L1 and L2. Dimension LD applies between L2 and LL minimum. Diameter is uncontrolled in L1 and beyond LL minimum. 8. All three leads. 9. The collector shall be internally connected to the case. 10. Dimension r (radius) applies to both inside corners of tab. 11. In accordance with ASME Y14.5M, diameters are equivalent to x symbology. 12. Lead 1 = emitter, lead 2 = base, lead 3 = collector. FIGURE 3. Physical dimensions for type 2N3700 (TO-18). 6 MIL-PRF-19500/391P UB Dimensions Symbol BH BL BW CL CW LL1 LL2 LS1 LS2 LW r r1 r2 NOTES: 1. 2. 3. 4. 5. Inches Min .046 .115 .085 .022 .017 .035 .071 .016 Millimeters Min Max 1.17 1.42 2.92 3.25 2.16 2.74 3.25 2.74 0.56 0.96 0.43 0.89 0.89 1.02 1.81 2.01 0.41 0.61 .203 .305 .559 Max .056 .128 .108 .128 .108 .038 .035 .040 .079 .024 .008 .012 .022 Note Dimensions are in inches. Millimeters are given for general information only. Hatched areas on package denote metallized areas. Pad 1 = Base, Pad 2 = Emitter, Pad 3 = Collector, Pad 4 = Shielding connected to the lid. In accordance with ASME Y14.5M, diameters are equivalent to x symbology. FIGURE 4. Physical dimensions, surface mount (2N3700UB). 7 MIL-PRF-19500/391P Die size: Die thickness: Base pad: Emitter pad: Back metal: Top metal: Back side: Glassivation: .030 x .030 inch (0.762 x 0.762 mm). .008 .0016 inch (0.2032 mm 0.04064 mm). .004 x .010 inch (0.1016 mm x 0.254 mm). .0023 x .007 inch (0.05842 mm x 0.1778 mm). Gold, 6,500 1,950 A. Aluminum, 12,000 A minimum; 14,500 A nominal. Collector. SiO2, 7,500 1,500 A. FIGURE 5. JANHCA and JANKCA die (2N3700 and 2N3019) dimensions. 8 MIL-PRF-19500/391P 1. 2. 3. 4. 5. 6. Chip size.............................024 x .026 inch .002 inch (0.610 X 0.660 0.051 millimeter). Chip thickness....................010 inch .0015 inch (0.254 0.0381 millimeter). Top metal...........................Aluminum 15,000A minimum, 18,000A nominal. Back metal.........................Gold:3,500A minimum, 5,000A nominal. Backside............................Collector. Bonding pad.......................B = .004 inch x .006 inch (0.102 X 0.152 millimeter). E = .004 inch x .0055 inch (0.102 X 0.140 millimeter). FIGURE 6. JANHCB and JANKCB die (2N3700) dimensions. 9 MIL-PRF-19500/391P 1. 2. 3. 4. 5. 6. Chip size Chip thickness Top metal Back metal Backside Bonding pad .023 x .023 inch .002 inch (0.584 X 0.584 0.051 millimeter). .010 inch .002 inch (0.254 0.508 millimeter). Aluminum 16,000A minimum, 20,000A nominal. Gold: 5,000A 500A. Collector. B = .004 inch x .010 inch (0.102 X 0.254 millimeter). E = .0039 inch x .0039 inch (0. 992 X 0.099 millimeter). FIGURE 7. JANHCC and JANKCC die (2N3700) dimensions. 10 MIL-PRF-19500/391P 2. APPLICABLE DOCUMENTS * 2.1 General. The documents listed in this section are specified in sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS MIL-PRF-19500 - Semiconductor Devices, General Specification for. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-750 - Test Methods for Semiconductor Devices. (Copies of these documents are available online at http://quicksearch.dla.mil.) 2.3 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 General. The individual item requirements shall be as specified in MIL-PRF-19500 and as modified herein. 3.2 Qualification. Devices furnished under this specification shall be products that are manufactured by a manufacturer authorized by the qualifying activity for listing on the applicable qualified manufacturer's list (QML) before contract award (see 4.2 and 6.3). 3.3 Abbreviations, symbols, and definitions. Abbreviations, symbols, and definitions used herein shall be as specified in MIL-PRF-19500 and as follows. PCB ....................... Printed circuit board. RJA ........................ Thermal resistance junction to ambient. RJC ........................ Thermal resistance junction to case. RJSP(IS) ................... Thermal resistance junction to solder pads (infinite sink mount to PCB). TSP(IS) ...................... Temperature of solder pads (infinite sink mount to PCB). UB .......................... Surface mount case outlines (see figure 4). * 3.4 Interface and physical dimensions. Interface and physical dimensions shall be as specified in MIL-PRF-19500, and on figure 1 (2N3019, TO-5, 2N3019S, TO-39), figure 2 (2N3057A, TO-46), figure 3 (2N3700, TO-18), figure 4 (2N3700UB, surface mount) figure 5 (JANHCA, JANKCA), figure 6 (JANHCB, JANKCB), and figure 7 (JANHCB, JANKCB) herein. 3.4.1 Lead finish. Lead finish shall be solderable in accordance with MIL-PRF-19500, MIL-STD-750, and herein. Where a choice of lead finish is desired, it shall be specified in the acquisition document (see 6.2). 11 MIL-PRF-19500/391P 3.5 Radiation hardness assurance (RHA). Radiation hardness assurance requirements, PIN designators, and test levels shall be as defined in MIL-PRF-19500. 3.6 Electrical performance characteristics. Unless otherwise specified herein, the electrical performance characteristics are as specified in 1.3, 1.4, and table I. 3.7 Electrical test requirements. The electrical test requirements shall be as specified in table I. 3.8 Marking. Marking shall be in accordance with MIL-PRF-19500, except for the UB suffix package. Marking on the UB package shall consist of an abbreviated part number, the date code, and the manufacturers symbol or logo. The prefixes JAN, JANTX, JANTXV, and JANS can be abbreviated as J, JX, JV, and JS respectively. The "2N" prefix can also be omitted. The radiation hardened designator M, D, P, L, R, F, G, or H shall immediately precede (or replace) the device "2N" identifier (depending upon degree of abbreviation required). * 3.9 Workmanship. Transistors shall be processed in such a manner as to be uniform in quality and shall be free from other defects that will affect life, serviceability, or appearance. 4. VERIFICATION 4.1 Classification of inspections. The inspection requirements specified herein are classified as follows: a. Qualification inspection (see 4.2). b. Screening (see 4.3). c. Conformance inspection (see 4.4 and table I, table II, and table III). 4.2 Qualification inspection. Qualification inspection shall be in accordance with MIL-PRF-19500 and as specified herein. 4.2.1 Group E qualification. Group E inspection shall be performed for qualification or re-qualification only. In case qualification was awarded to a prior revision of the specification sheet that did not request the performance of table III tests, the tests specified in table III herein that were not performed in the prior revision shall be performed on the first inspection lot of this revision to maintain qualification. 4.2.2 JANHC and JANKC qualification. JANHC and JANKC qualification inspection shall be in accordance with MIL-PRF-19500. 12 MIL-PRF-19500/391P 4.3 Screening (JANTX, JANTXV, and JANS only). Screening shall be in accordance with table E-IV of MIL-PRF-19500, and as specified herein. The following measurements shall be made in accordance with table I herein. Devices that exceed the limits of table I herein shall not be acceptable. Screen (see table E-IV of MIL-PRF-19500) Measurement JANS (1) 3c JANTX and JANTXV levels Thermal impedance method 3131 of MIL-STD-750. See 4.3.2. Thermal impedance method 3131 of MIL-STD-750. See 4.3.2. 9 ICES1 and hFE1. Not applicable. 10 48 hours minimum. 48 hours minimum. 11 ICES1; hFE1; ICES1 = 100 percent of initial value or 5 nA dc, whichever is greater; hFE1 = 15 percent. ICES1 and hFE1. 12 See 4.3.1. See 4.3.1. 13 Subgroups 2 and 3 of table I herein; ICES1 = 100 percent of initial value or 5 nA dc, whichever is greater; hFE1 = 15 percent. Subgroup 2 of table I herein; ICES1 = 100 percent of initial value or 5 nA dc, whichever is greater; hFE1 = 15 percent. (1) Shall be performed anytime after temperature cycling, screen 3a; JANTX and JANTXV levels do not need to be repeated in screening requirements. 4.3.1 Power burn-in conditions. Power burn-in conditions are as follows: VCB = 10 - 30 V dc. Power shall be applied to achieve TJ = +135C minimum using a minimum PD = 75 percent of PT maximum, TA ambient rated as defined in 1.3. With approval of the qualifying activity and preparing activity, alternate burn-in criteria (hours, bias conditions, TJ, and mounting conditions) may be used for JANTX and JANTXV quality levels. A justification demonstrating equivalence is required. In addition, the manufacturing site's burn-in data and performance history will be essential criteria for burn-in modification approval. Use method 3100 of MIL-STD-750 to measure TJ. 4.3.2 Thermal impedance measurements. The thermal impedance measurements shall be performed in accordance with method 3131 of MIL-STD-750 using the guidelines in that method for determining IM, IH, tH, tMD (and VC where appropriate). Measurement delay time (tMD) = 70 s max. See table III, group E, subgroup 4 herein. 4.4 Conformance inspection. Conformance inspection shall be in accordance with MIL-PRF-19500, and as specified herein. If alternate screening is being performed in accordance with MIL-PRF-19500, a sample of screened devices shall be submitted to and pass the requirements of group A1 and A2 inspection only (table E-VIb, group B, subgroup 1 is not required to be performed again if group B has already been satisfied in accordance with 4.4.2). 4.4.1 Group A inspection. Group A inspection shall be conducted in accordance with MIL-PRF-19500, and table I herein. 13 MIL-PRF-19500/391P * 4.4.2 Group B inspection. Group B inspection shall be conducted in accordance with the tests and conditions specified for subgroup testing in table E-VIa (JANS) of MIL-PRF-195000 and 4.4.2.1 herein. See 4.4.2.2 herein for JAN, JANTX, and JANTXV group B testing. 4.4.2.1 Group B inspection, table E-VIa (JANS) of MIL-PRF-19500. Subgroup Method Condition B4 1037 VCB = 10 V dc, 2,000 cycles, adjust device current, or power, to achieve a minimum TJ of +100C. B5 1027 NOTE: If a failure occurs, resubmission shall be at the test conditions of the original sample. VCB = 10 V dc, PD 100 percent of maximum rated PT (see 1.3). Option 1: 96 hours minimum, sample size in accordance with MIL-PRF-19500, table E-VIa, adjust TA or PD to achieve TJ = +275C minimum. Option 2: 216 hours minimum, sample size = 45, c = 0; adjust TA or PD to achieve TJ = +225C minimum. B5 2037 B6 Test condition D. Not applicable. 4.4.2.2 Group B inspection, (JAN, JANTX, and JANTXV). Separate samples may be used for each step. In the event of a lot failure, the resubmission requirements of MIL-PRF-19500 shall apply. In addition, all catastrophic failures during CI shall be analyzed to the extent possible to identify root cause and corrective action. Whenever a failure is identified as wafer lot and /or wafer processing related, the entire wafer lot and related devices assembled from the wafer lot shall be rejected unless an appropriate determined corrective action to eliminate the failures mode has been implemented and the devices from the wafer lot are screened to eliminate the failure mode. Step Method Condition 1 1026 Steady-state life: 1,000 hours minimum, VCB = 10 V dc, power shall be applied to achieve TJ = +150C minimum using a minimum of PD = 75 percent of maximum rated PT as defined in 1.3. n = 45 devices, c = 0. The sample size may be increased and the test time decreased so long as the devices are stressed for a total of 45,000 device hours minimum, and the actual time of test is at least 340 hours. 2 1048 Blocking life: TA = +150C, VCB = 80 percent rated voltage, without exceeding max rated VCEO. 48 hours minimum. n = 45 devices, c = 0. 3 1032 High-temperature life (non-operating), t = 340 hours, TA = +200C. n = 22, c = 0. 14 MIL-PRF-19500/391P 4.4.2.3 Group B sample selection. Samples selected from group B inspection shall meet all of the following requirements: a. For JAN, JANTX and JANTXV samples shall be selected randomly from a minimum of three wafers (or from each wafer in the lot) from each wafer lot. For JANS, samples shall be selected from each inspection lot. See MIL-PRF-19500. b. Shall be chosen from an inspection lot that has been submitted to and passed table I, group A, subgroup 2 conformance inspection. When the final lead finish is solder or any plating prone to oxidation at high temperature, the samples for life test (table E-VIa, subgroups B4 and B5 for JANS, and table E-VIc, group B for JAN, JANTX and JANTXV) may be pulled prior to the application of final lead finish. * 4.4.3 Group C inspection. Group C inspection shall be conducted in accordance with the tests and conditions specified for subgroup testing in table E-VII of MIL-PRF-19500, and in 4.4.3.1 herein (JANS). See 4.4.3.2 herein for JAN, JANTX, and JANTXV group C testing. 4.4.3.1 Group C inspection, table E-VII (JANS) of MIL-PRF-19500. Subgroup Method Condition C2 2036 Test condition E; not applicable for UB devices. C5 3131 See 1.3. RJC is applicable for all devices except UB. RJA is applicable for UB devices. C6 1026 1,000 hours, VCB = 10 V dc, power and ambient temperature shall be applied to the device to achieve TJ = +150C minimum, and minimum power dissipation of 75 percent of max rated PT (see 1.3 herein); n = 45, c = 0. The sample size may be increased and the test time decreased as long as the devices are stressed for a total of 45,000 device hours minimum, and the actual time of test is at least 340 hours. 4.4.3.2 Group C inspection, (JAN, JANTX, and JANTXV), table E-VII of MIL-PRF-19500. Subgroup Method Condition C2 2036 Test condition E; not applicable for UB devices. C5 3131 See 1.3, RJC is applicable for all devices except UB. RJA is applicable for UB devices. C6 Not applicable. 4.4.3.3 Group C sample selection. Samples for subgroups in group C shall be chosen at random from any inspection lot containing the intended package type and lead finish procured to the same specification which is submitted to and passes table I, group A tests herein for conformance inspection. When the final lead finish is solder or any plating prone to oxidation at high temperature, the samples for C6 life test may be pulled prior to the application of final lead finish. Testing of a subgroup using a single device type enclosed in the intended package type shall be considered as complying with the requirements for that subgroup. 4.4.4 Group D inspection. Conformance inspection for hardness assured JANS and JANTXV types shall include the group D tests specified in table II herein. These tests shall be performed as required in accordance with MIL-PRF-19500 and method 1019 of MIL-STD-750 for total ionizing dose, or method 1017 of MIL-STD-750 for neutron fluence as applicable (see 6.2.e herein), except group D, subgroup 2 may be performed separate from other subgroups. Alternate package options may also be substituted for the testing provided there is no adverse effect to the fluence profile. 15 MIL-PRF-19500/391P * 4.4.5 Group E inspection. Group E inspection shall be conducted in accordance with the conditions specified for subgroup testing in table E-IX of MIL-PRF-19500 as specified in table III herein. 4.5 Method of inspection. Methods of inspection shall be as specified in the appropriate tables and as follows: 4.5.1 Pulse measurements. Conditions for pulse measurement shall be as specified in section 4 of MIL-STD-750. 4.5.2 Collector-base time constant. This parameter may be determined by applying an rf signal voltage of 1.0 volt (rms) across the collector-base terminals, and measuring the ac voltage drop (Veb ) with a high- impedance rf voltmeter across the emitter-base terminals. With f = 79.8 MHz used for the 1.0 volt signal, the following computation applies: r'b , Cc(ps) = 2 X Veb (millivolts) 16 MIL-PRF-19500/391P TABLE I. Group A inspection. Inspection 1/ MIL-STD-750 Method Symbol Limit Conditions Min Unit Max Subgroup 1 2/ Visual and mechanical examination 2071 Solderability 3/ 4/ 2026 n = 15 leads, c = 0 Resistance to solvents 3/ 4/ 5/ 1022 n = 15 devices, c = 0 Temp cycling 3/ 4/ 1051 Test condition C, 25 cycles n = 22 devices, c = 0 Hermetic seal 4/ 1071 n = 22 devices, c = 0 Fine leak Gross leak Group A, subgroup 2 Electrical measurements 4/ Bond strength 3/ 4/ 2037 Decap internal visual (design verification) 4/ 2075 Precondition TA = +250C at t = 24 hrs or TA = +300C at t = 2 hrs, n = 11 wires, c = 0 n = 4 devices, c = 0 Thermal impedance 3131 See 4.3.2 ZJX Collector to base cutoff current 3036 Bias condition D; VCB = 140 V dc ICBO1 10 A dc Emitter to base cutoff current 3061 Bias condition D; VEB = 7 V dc IEBO1 10 A dc Collector to emitter breakdown voltage 3011 Bias condition D; IC = 30 mA dc pulsed (see 4.5.1) V(BR)CEO Collector to emitter cutoff current 3041 Bias condition C; VCE = 90 V dc ICES1 10 nA dc Emitter to base cutoff current 3061 Bias condition D; VEB = 5 V dc IEBO2 10 nA dc Forward current transfer ratio 3076 VCE = 10 V dc; IC = 150 mA dc; pulsed (see 4.5.1) hFE1 100 300 Forward current transfer ratio 3076 VCE = 10 V dc; IC = 0.1 mA dc; pulsed (see 4.5.1) hFE2 50 300 Subgroup 2 See footnotes at end of table. 17 C/W 80 V dc MIL-PRF-19500/391P TABLE I. Group A inspection - Continued. Inspection 1/ MIL-STD-750 Method Symbol Conditions Limit Min Unit Max Subgroup 2 - Continued Forward current transfer ratio 3076 VCE = 10 V dc; IC = 10 mA dc; pulsed (see 4.5.1) hFE3 90 Forward current transfer ratio 3076 VCE = 10 V dc; IC = 500 mA dc; pulsed (see 4.5.1) hFE4 50 Forward current transfer ratio 3076 VCE = 10 V dc; IC = 1 A dc; pulsed (see 4.5.1) hFE5 15 Collector to emitter voltage (saturated) 3071 IC = 150 mA dc; IB = 15 mA dc; pulsed (see 4.5.1) VCE(sat)1 0.2 V dc Collector to emitter voltage (saturated) 3071 IC = 500 mA dc; IB = 50 mA dc; pulsed (see 4.5.1) VCE(sat)2 0.5 V dc Base to emitter voltage (saturated) 3066 Test condition A; IC = 150 mA dc; IB = 15 mA dc; pulsed (see 4.5.1) VBE(sat) 1.1 V dc ICES2 5 A dc 300 Subgroup 3 High-temperature operation Collector to emitter cutoff current TA = +150C 3041 Low-temperature operation Forward current transfer ratio Bias condition C; VCE = 90 V dc TA = -55C 3076 VCE = 10 V dc; IC = 150 mA dc; pulsed (see 4.5.1) hFE6 40 Small-signal short- circuit forward-current transfer ratio 3206 VCE = 5 V dc; IC = 1 mA dc, f = 1 kHz hfe 80 400 Magnitude of small- signal short-circuit forward-current transfer ratio 3306 VCE = 10 V dc; IC = 50 mA dc; f = 20 MHz |hfe | 5 20 Input capacitance (output open circuited) 3240 VEB = 0.5 V dc; IC = 0; 100 kHz f 1 MHz Cibo 60 pF Open circuit output capacitance 3236 VCB = 10 V dc; IE = 0; 100 kHz f 1 MHz Cobo 12 pF Noise figure 3246 VCE = 10 V dc; IC = 100 A dc; Rg = 1 k; power bandwidth = 200 Hz f = 1 kHz NF 4 dB Subgroup 4 See footnotes at end of table. 18 MIL-PRF-19500/391P TABLE I. Group A inspection - Continued. Inspection 1/ MIL-STD-750 Method Symbol Conditions Limit Min Unit Max Subgroup 4 - Continued Collector to base time constant VCB = 10 V dc; IC = 10 mA dc; f = 79.8 MHz (see 4.5.2) r'b,Cc 400 ps Pulse response See figure 21 ton + toff 30 ns Subgroup 5 Safe operating area (continuous dc) 3051 TC = +25C; t = 10 ms, 1 cycle (See figure 22) Test 1 VCE = 10 V dc; 2N3019, 2N3019S IC = 500 mA dc 2N3057A, 2N3700, 2N3700UB IC = 180 mA dc Test 2 VCE = 40 V dc; 2N3019, 2N3019S IC = 130 mA dc 2N3057A, 2N3700, 2N3700UB IC = 50 mA dc Test 3 VCE = 80 V dc; 2N3019, 2N3019S IC = 60 mA dc 2N3057A, 2N3700, 2N3700UB IC = 30 mA dc Electrical measurements See table I, subgroup 2 herein Subgroups 6 and 7 Not applicable 1/ 2/ 3/ 4/ 5/ For sampling plan see MIL-PRF-19500. For resubmission of failed test in subgroup A1, double the sample size of the failed test or sequence of tests. A failure in table I, group A, subgroup 1 shall not require retest of the entire subgroup. Only the failed test shall be rerun upon submission. Separate samples may be used. Not required for JANS devices. Not required for laser marked devices. 19 MIL-PRF-19500/391P TABLE II. Group D inspection. Inspection 1/ 2/ 3/ Method MIL-STD-750 Conditions Limit Symbol Min Unit Max Subgroup 1 4/ Neutron irradiation 1017 Neutron exposure VCES = 0 V Collector to base cutoff current 3036 Bias condition D; VCB = 140 V dc ICBO1 20 A dc Emitter to base cutoff current 3061 Bias condition D; VEB = 7 V dc IEBO1 20 A dc Collector to emitter breakdown voltage 3011 Bias condition D; IC = 30 mA dc pulsed (see 4.5.1) V(BR)CEO Collector to emitter cutoff current 3041 Bias condition C; VCE = 90 V dc ICES1 20 nA dc Emitter to base cutoff current 3061 Bias condition D; VEB = 5 V dc IEBO2 20 nA dc Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 150 mA dc [hFE1] 5/ [50] 300 Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 0.1 mA dc [hFE2] 5/ [25] 300 Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 10 mA dc [hFE3] 5/ [45] Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 500 mA dc [hFE4] 5/ [25] Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 1 A dc [hFE5] 5/ [7.5] Collector-emitter saturation voltage 3071 IC = 150 mA dc; IB = 15 mA dc (see 4.5.1) VCE(sat)1 .23 V dc Collector-emitter saturation voltage 3071 IC = 500 mA dc; IB = 50 mA dc (see 4.5.1) VCE(sat)2 .58 V dc Base to emitter voltage (saturated) 3066 Test condition A; IC = 150 mA dc; IB = 15 mA dc; pulsed (see 4.5.1) VBE(sat) See footnotes at end of table. 20 80 V dc 300 1.27 V dc MIL-PRF-19500/391P TABLE II. Group D inspection - Continued. Inspection 1/ 2/ 3/ Method MIL-STD-750 Conditions Limit Symbol Min Unit Max Subgroup 2 Total dose irradiation 1019 Gamma exposure VCES = 64 V Collector to base cutoff current 3036 Bias condition D; VCB = 140 V dc ICBO1 20 A dc Emitter to base cutoff current 3061 Bias condition D; VEB = 7 V dc IEBO1 20 A dc Collector to emitter breakdown voltage 3011 Bias condition D; IC = 30 mA dc pulsed (see 4.5.1) V(BR)CEO Collector to emitter cutoff current 3041 Bias condition C; VCE = 90 V dc ICES1 20 nA dc Emitter to base cutoff current 3061 Bias condition D; VEB = 5 V dc IEBO2 20 nA dc Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 150 mA dc [hFE1] 5/ [50] 300 Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 0.1 mA dc [hFE2] 5/ [25] 300 Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 10 mA dc [hFE3] 5/ [45] Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 500 mA dc [hFE4] 5/ [25] Forward-current transfer ratio 3076 VCE = 10 V dc; IC = 1 A dc [hFE5] 5/ [7.5] Collector-emitter saturation voltage 3071 IC = 150 mA dc; IB = 15 mA dc; (see 4.5.1) VCE(sat)1 .23 V dc Collector-emitter saturation voltage 3071 IC = 500 mA dc; IB = 50 mA dc; (see 4.5.1) VCE(sat)2 .58 V dc Base to emitter voltage (saturated) 3066 Test condition A; IC = 150 mA dc; IB = 15 mA dc; pulsed (see 4.5.1) VBE(sat) 1.27 V dc 1/ 2/ 3/ 4/ 5/ 80 V dc 300 Tests to be performed on all devices receiving radiation exposure. For sampling plan, see MIL-PRF-19500. Electrical characteristics apply to the corresponding UB, suffix versions unless otherwise noted. See 6.2.e herein. See method 1019 of MIL-STD-750 for how to determine [hFE] by first calculating the delta (1/hFE) from the preand post-radiation hFE. Notice the [hFE] is not the same as hFE and cannot be measured directly. The [hFE] value can never exceed the pre-radiation minimum hFE that it is based upon. 21 MIL-PRF-19500/391P TABLE III. Group E inspection (all quality levels) - for qualification and re-qualification only. Inspection MIL-STD-750 Method Conditions Subgroup 1 Temperature cycling (air to air) Qualification 45 devices c=0 1051 Test condition C, 500 cycles. Hermetic seal Fine leak Gross leak 1071 Electrical measurements See table I, subgroup 2 herein. Subgroup 2 Intermittent life 45 devices c=0 1037 Electrical measurements VCB = 10 V dc, 6,000 cycles. See table I, subgroup 2 herein. Subgroups 4 Thermal resistance 15 devices, c=0 3131 Thermal impedance curves RJSP(IS) can be calculated but shall be measured once in the same package with a similar die size to confirm calculations (may apply to multiple specification sheets). RJSP(AM) need be calculated only. See table E-IX of MIL-PRF-19500, subgroup 4. Sample size N/A Subgroups 5 Not applicable * Subgroup 6 ESD 11 devices c=0 1020 Subgroup 8 Reverse stability 45 devices c=0 1033 Condition B. 22 MIL-PRF-19500/391P Thermal Resistance Junction to Ambient = 195C/W NOTES: 1. This is the true inverse of the worst case thermal resistance value. All devices are capable of operating at TJ specified on this curve. Any parallel line to this curve will intersect the appropriate power for the desired maximum TJ allowed. 2. Derate design curve constrained by the maximum junction temperatures and power rating specified. (See 1.3 herein.) 3. Derate design curve chosen at TJ +150C, where the maximum temperature of electrical test is performed. 4. Derate design curve chosen at TJ +125C, and +110C to show power rating where most users want to limit TJ in their application. FIGURE 8. Derating for 2N3019 (RJA) PCB (TO-5 and TO-39). 23 MIL-PRF-19500/391P NOTES: 1. This is the true inverse of the worst case thermal resistance value. All devices are capable of operating at TJ specified on this curve. Any parallel line to this curve will intersect the appropriate power for the desired maximum TJ allowed. 2. Derate design curve constrained by the maximum junction temperatures and power rating specified. (See 1.3 herein.) 3. Derate design curve chosen at TJ +150C, where the maximum temperature of electrical test is performed. 4. Derate design curve chosen at TJ +125C, and +110C to show power rating where most users want to limit TJ in their application. FIGURE 9. Derating for 2N3019 (RJC), base case mounted (TO-5 and TO-39). 24 MIL-PRF-19500/391P NOTES: 1. This is the true inverse of the worst case thermal resistance value. All devices are capable of operating at TJ specified on this curve. Any parallel line to this curve will intersect the appropriate power for the desired maximum TJ allowed. 2. Derate design curve constrained by the maximum junction temperatures and power rating specified. (See 1.3 herein.) 3. Derate design curve chosen at TJ +150C, where the maximum temperature of electrical test is performed. 4. Derate design curve chosen at TJ +125C, and +110C to show power rating where most users want to limit TJ in their application. FIGURE 10. Derating for 2N3057A, 2N3700, and 2N3700UB (RJA) leads .125 inch (3.175 mm). 25 MIL-PRF-19500/391P NOTES: 1. This is the true inverse of the worst case thermal resistance value. All devices are capable of operating at TJ specified on this curve. Any parallel line to this curve will intersect the appropriate power for the desired maximum TJ allowed. 2. Derate design curve constrained by the maximum junction temperatures and power rating specified. (See 1.3 herein.) 3. Derate design curve chosen at TJ +150C, where the maximum temperature of electrical test is performed. 4. Derate design curve chosen at TJ +125C, and +110C to show power rating where most users want to limit TJ in their application. FIGURE 11. Derating for 2N3057A (RJc) (TO-46), base case mounted. 26 MIL-PRF-19500/391P NOTES: 1. This is the true inverse of the worst case thermal resistance value. All devices are capable of operating at TJ specified on this curve. Any parallel line to this curve will intersect the appropriate power for the desired maximum TJ allowed. 2. Derate design curve constrained by the maximum junction temperatures and power rating specified. (See 1.3 herein.) 3. Derate design curve chosen at TJ +150C, where the maximum temperature of electrical test is performed. 4. Derate design curve chosen at TJ +125C, and +110C to show power rating where most users want to limit TJ in their application. FIGURE 12. Derating for 2N3700 (RJC) (TO-18), base case mounted. 27 MIL-PRF-19500/391P NOTES: 1. This is the true inverse of the worst case thermal resistance value. All devices are capable of operating at TJ specified on this curve. Any parallel line to this curve will intersect the appropriate power for the desired maximum TJ allowed. 2. Derate design curve constrained by the maximum junction temperatures and power rating specified. (See 1.3 herein.) 3. Derate design curve chosen at TJ +150C, where the maximum temperature of electrical test is performed. 4. Derate design curve chosen at TJ +125C, and +110C to show power rating where most users want to limit TJ in their application. FIGURE 13. Derating for 2N3700UB (RJSP(IS)), infinite sink 3-points. 28 MIL-PRF-19500/391P Maximum Thermal Impedance RJA = 195C/W FIGURE 14. Thermal impedance graph (RJA) for 2N3019 (TO-5 and TO-39). 29 MIL-PRF-19500/391P Maximum Thermal Impedance 100 Theta (C/W) 10 1 0.1 0.000001 0.00001 0.0001 0.001 0.01 Time (s) 0.1 1 10 RJC = 30C/W FIGURE 15. Thermal impedance graph (RJC) for 2N3019 (TO-5 and TO-39). 30 100 MIL-PRF-19500/391P Maximum Thermal Impedance RJA = 325C/W FIGURE 16. Thermal impedance graph (RJA) 2N3057A (TO-46). 31 MIL-PRF-19500/391P Maximum Thermal Impedance RJC = 80C/W FIGURE 17. Thermal impedance graph (RJc) for 2N3057A (TO-46). 32 MIL-PRF-19500/391P Maximum Thermal Impedance RJA = 325C/W FIGURE 18. Thermal impedance graph (RJA) for 2N3700 (TO-18). 33 MIL-PRF-19500/391P Maximum Thermal Impedance RJC = 150C/W FIGURE 19. Thermal impedance graph (RJC) for 2N3700 (TO-18). 34 MIL-PRF-19500/391P Maximum Thermal Impedance RJSP(IS) = 90C/W FIGURE 20. Thermal impedance graph (RJSP(IS)) for 2N3700 (UB). 35 MIL-PRF-19500/391P NOTES: 1. The rise time (tr) of the applied pulse shall be 2.0 ns, duty cycle 2 percent and the generator source impedance shall be 50 ohms. 2. Sampling oscilloscope: ZIN 100 k, CIN 12 pF, rise time 2.0 ns. FIGURE 21. Non-saturated switching-time test circuit. 36 MIL-PRF-19500/391P FIGURE 22. Maximum safe operating graph (10 ms). 37 MIL-PRF-19500/391P 5. PACKAGING 5.1 Packaging. For acquisition purposes, the packaging requirements shall be as specified in the contract or order (see 6.2). When packaging of materiel is to be performed by DoD or in-house contractor personnel, these personnel need to contact the responsible packaging activity to ascertain packaging requirements. Packaging requirements are maintained by the Inventory Control Point's packaging activities within the Military Service or Defense Agency, or within the Military Service's system commands. Packaging data retrieval is available from the managing Military Department's or Defense Agency's automated packaging files, CD-ROM products, or by contacting the responsible packaging activity. 6. NOTES (This section contains information of a general or explanatory nature that may be helpful, but is not mandatory. The notes specified in MIL-PRF-19500 are applicable to this specification.) 6.1 Intended use. Semiconductors conforming to this specification are intended for original equipment design applications and logistic support of existing equipment. * 6.2 Acquisition requirements. Acquisition documents should specify the following: a. Title, number, and date of this specification. b. Packaging requirements (see 5.1). c. Lead finish (see 3.4.1). * d. The complete PIN, see1.5. e. For acquisition of RHA designed devices, table II, subgroup 1 testing of group D is optional. If subgroup 1 testing is desired, it must be specified in the contract. 6.3 Qualification. With respect to products requiring qualification, awards will be made only for products which are, at the time of award of contract, qualified for inclusion in Qualified Manufacturers List (QML 19500) whether or not such products have actually been so listed by that date. The attention of the contractors is called to these requirements, and manufacturers are urged to arrange to have the products that they propose to offer to the Federal Government tested for qualification in order that they may be eligible to be awarded contracts or orders for the products covered by this specification. Information pertaining to qualification of products may be obtained from DLA Land and Maritime, ATTN: VQE, P.O. Box 3990, Columbus, OH 43218-3990 or e-mail vqe.chief@dla.mil. An online listing of products qualified to this specification may be found in the Qualified Products Database (QPD) at https://assist.dla.mil . 38 MIL-PRF-19500/391P * 6.4 Suppliers of JANHC and JANKC die. The qualified JANHC and JANKC suppliers with the applicable letter version (example JANHCA2N3700) will be identified on the QML. Die ordering information PIN Manufacturer 34156 43611 52GC4 2N3700 JANHCA2N3700 JANKCA2N3700 JANHCB2N3700 JANKCB2N3700 JANHCC2N3700 JANKCC2N3700 2N3019 JANHCA2N3019 JANKCA2N3019 * 6.5 PIN construction example. * 6.5.1 Encapsulated devices The PINs for encapsulated devices are constructed using the following form. JANTXV 2N 3019 UB S JAN certification mark and quality level (see 1.5.1) First number and first letter symbols (see 1.5.3.1) Second number symbols (see 1.5.3.2) First suffix symbol (see 1.5.4) Second suffix symbol (see 1.5.4) * 6.5.2 Un-encapsulated devices. The PINs for un-encapsulated devices are constructed using the following form. JANHC JAN certification mark and quality level (see 1.5.1.2) Die identifier for unencapsulated devices (see 1.5.6) First number and first letter symbols (see 1.5.3.1) Second number symbols (see 1.5.3.2) 39 A 2N 3019 MIL-PRF-19500/391P * 6.6 List of PINs. The following is a list of possible PINs available on this specification sheet. PINs for types 2N3019 (1) PINs for types 2N3019S (1) PINs for types 2N3057A (1) PINs for types 2N3700 (1) PINs for types 2N3700UB (1) JAN2N3019 JAN2N3019S JAN2N3057A JAN2N3700 JAN2N3700UB JANTX2N3019 JANTX2N3019S JANTX2N3057A JANTX2N3700 JANTX2N3700UB JANTXV2N3019 JANTXV2N3019S JANTXV2N3057A JANTXV2N3700 JANTXV2N3700UB JANS2N3019 JANS2N3019S JANS2N3057A JANS2N3700 JANS2N3700UB JANTXVR2N3019 JANTXVR2N3019S JANTXVR2N3057A JANTXVR2N3700 JANTXVR2N3700UB JANTXVF2N3019 JANTXVF2N3019S JANTXVF2N3057A JANTXVF2N3700 JANTXVF2N3700UB JANS#2N3019 JANS#2N3019S JANS#2N3057A JANS#2N3700 JANS#2N3700UB (1) The number sign (#) represents one of eight RHA designators available (M, D, P, L, R, F, G, or H). * 6.6.1 PINs for unencapsulated devices (die). The following is a list of possible PINs for unencapsulated devices available on this specification sheet. PINs for types 2N3019 (1) PINs for types 2N3700 (1) JANHCA2N3019 JANHCA2N3700 JANHCB2N3700 JANHCC2N3700 JANKCA2N3019 JANKCA2N3700 JANKCB2N3700 JANKCC2N3700 JANHCA#2N3019 JANHCA#2N3700 JANHCB#2N3700 JANHCC#2N3700 JANKCA#2N3019 JANKCA#2N3700 JANKCB#2N3700 JANKCC#2N3700 (1) The number sign (#) represents one of eight RHA designators available (M, D, P, L, R, F, G, or H). 6.7 Changes from previous issue. The margins of this specification are marked with asterisks to indicate where changes from the previous issue were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the previous issue. Custodians: Army - CR Navy - EC Air Force - 85 NASA - NA DLA - CC Preparing activity: DLA - CC (Project 5961-2015-016) Review activities: Army - AR, MI, SM Navy - AS, MC Air Force - 19 NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at https://assist.dla.mil . 40